EMERALD ADVISERS, LLC

Other Low signal CIK 1015083
League rank
#17
in Other · #157 overall
Long book
$3.16B
Q1 2026
Positions
248
Top-10 weight
20%
concentration
Last quarter
+32.6%
SPY +14.8%
Turnover
14%
of book per quarter

Strategy in plain words

auto-generated from filings

EMERALD ADVISERS, LLC is an institutional manager, running a $3.16B US long book across 248 positions.

The portfolio is broadly diversified across 248 positions (top 10 only 20%). Turnover is modest: positions are typically held for years. Current anchor positions: MODINE MANUFACTURING CO, GUARDANT HEALTH INC, BLOOM ENERGY CORP- A, TTM TECHNOLOGIES, COGENT BIOSCIENCES INC.

Over the last 9 quarters its long book ran on average 4.2pp per quarter ahead of the S&P 500, beating the index in 7 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+3.4%
Q2 2024
+6.7%
Q3 2024
+2.8%
Q4 2024
-14.6%
Q1 2025
+21.9%
Q2 2025
+18.3%
Q3 2025
+6.5%
Q4 2025
+0.0%
Q1 2026
+32.6%

Sector allocation

Technology
28%
Healthcare
22%
Industrials
22%
Financials
11%
Services media
5%
Consumer discretionary
5%
Other
4%
Consumer staples
1%

Long book by quarter

$2.49B
Q1 2024
$2.38B
Q2 2024
$2.59B
Q3 2024
$2.58B
Q4 2024
$2.22B
Q1 2025
$2.73B
Q2 2025
$3.12B
Q3 2025
$3.25B
Q4 2025
$3.16B
Q1 2026

What does EMERALD ADVISERS, own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
MOD MODINE MANUFACTURING COIndustrials378.1K$81.9M2.6%-3.0%
GH GUARDANT HEALTH INCHealthcare841.9K$77.8M2.5%-2.3%
BE BLOOM ENERGY CORP- AIndustrials541.8K$73.4M2.3%-3.1%
TTMI TTM TECHNOLOGIESTechnology750.4K$73.1M2.3%-18.0%
COGT COGENT BIOSCIENCES INCHealthcare1.6M$61.1M1.9%+0.3%
KTOS KRATOS DEFENSE & SECURITYIndustrials835.9K$58.9M1.9%-4.5%
VSEC VSE CORPServices media314.8K$58.0M1.8%+12.6%
FN FABRINETTechnology107.5K$56.1M1.8%-1.6%
AGX ARGAN INCIndustrials95.3K$51.9M1.6%-2.9%
AIR AAR CORPIndustrials445.7K$48.8M1.5%+6.3%
CRDO CREDO TECHNOLOGY GROUP HOLDITechnology498.6K$46.8M1.5%+0.5%
TVTX TRAVERE THERAPEUTICS INCHealthcare1.6M$46.3M1.5%-2.3%
ESE ESCO TECHNOLOGIES INCTechnology162.7K$45.8M1.4%-2.4%
MRCY MERCURY SYSTEMS INCTechnology595.3K$43.4M1.4%+12.1%
LIVN LIVANOVA PLCHealthcare670.2K$42.6M1.3%-4.4%
LASR NLIGHT INCTechnology746.7K$42.6M1.3%-4.5%
RMBS RAMBUS INCTechnology493.2K$42.4M1.3%-21.3%
AX AXOS FINANCIAL INCFinancials496.2K$42.2M1.3%-4.8%
EYE NATIONAL VISION HOLDINGS INCHealthcare1.5M$38.9M1.2%-4.0%
BBIO BRIDGEBIO PHARMA INCHealthcare515.4K$38.3M1.2%-3.8%
KLIC KULICKE & SOFFA INDUSTRIESTechnology569.0K$37.4M1.2%+5.5%
AAOI APPLIED OPTOELECTRONICS INCTechnology433.9K$36.7M1.2%-35.3%
MIRM MIRUM PHARMACEUTICALS INCHealthcare397.3K$36.7M1.2%+8.2%
PLMR PALOMAR HOLDINGS INCFinancials298.4K$35.7M1.1%-1.2%
SMTC SEMTECH CORPTechnology457.0K$35.1M1.1%-2.9%
IPGP IPG PHOTONICS CORPTechnology304.9K$34.9M1.1%+49.4%
RSI RUSH STREET INTERACTIVE INCServices media1.6M$34.2M1.1%-2.0%
TMDX TRANSMEDICS GROUP INCHealthcare342.8K$34.1M1.1%-2.4%
PLXS PLEXUS CORPTechnology166.5K$33.7M1.1%New
SEI SOLARIS ENERGY INFRASTRUCTURIndustrials594.7K$33.6M1.1%-5.1%
AVAV AEROVIRONMENT INCIndustrials179.9K$32.9M1.0%-15.0%
STRL STERLING INFRASTRUCTURE INCIndustrials79.8K$32.5M1.0%-2.7%
IMAX IMAX CORPOther849.1K$32.3M1.0%-0.5%
OLLI OLLIE'S BARGAIN OUTLET HOLDIConsumer discretionary347.1K$31.9M1.0%+16.3%
IDCC INTERDIGITAL INCFinancials104.1K$31.4M1.0%+86.3%
MC MOELIS & CO - CLASS AFinancials548.1K$31.2M1.0%-11.0%
CECO CECO ENVIRONMENTAL CORPIndustrials523.0K$31.2M1.0%+14.1%
SYRE SPYRE THERAPEUTICS INCHealthcare613.4K$30.9M1.0%-3.6%
BOOT BOOT BARN HOLDINGS INCConsumer discretionary208.4K$30.5M1.0%+14.7%
UMBF UMB FINANCIAL CORPFinancials267.4K$30.2M1.0%-2.9%
ATRO ASTRONICS CORPIndustrials449.1K$30.0M0.9%+85.0%
SPXC SPX TECHNOLOGIES INCIndustrials147.3K$29.4M0.9%-3.6%
ARLO ARLO TECHNOLOGIES INCServices media2.0M$28.7M0.9%-2.0%
NKTR NEKTAR THERAPEUTICSHealthcare394.6K$28.4M0.9%+2.7%
FRPT FRESHPET INCConsumer staples480.7K$28.3M0.9%+15.2%
PDFS PDF SOLUTIONS INCTechnology860.8K$28.2M0.9%-8.8%
PIPR PIPER SANDLER COSFinancials360.6K$27.6M0.9%New
SKWD SKYWARD SPECIALTY INSURANCEFinancials627.9K$27.4M0.9%-4.5%
ALGT ALLEGIANT TRAVEL COIndustrials338.0K$27.4M0.9%-3.4%
TBBK BANCORP INC/THEFinancials491.3K$26.4M0.8%-17.4%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 4, 2026248$3.16B canonicalSEC ↗
Q4 202513F-HRFeb 9, 2026246$3.25B canonicalSEC ↗
Q3 202513F-HROct 30, 2025257$3.12B canonicalSEC ↗
Q2 202513F-HRAug 4, 2025248$2.73B canonicalSEC ↗
Q1 202513F-HRMay 1, 2025243$2.22B canonicalSEC ↗
Q4 202413F-HRFeb 11, 2025254$2.58B canonicalSEC ↗
Q3 202413F-HROct 29, 2024248$2.59B canonicalSEC ↗
Q2 202413F-HRAug 6, 2024247$2.38B canonicalSEC ↗
Q1 202413F-HRMay 8, 2024243$2.49B canonicalSEC ↗